Graziela Moraes de Césare Barbosa

Instituto Agronômico do Paraná

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Papers

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i-10 index

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Co-Authors

João Tavares Filho

Universidade Estadual de Londrina

José Francirlei de Oliveira

Instituto Agronômico do Paraná

Tiago Santos Telles

Instituto Agronômico do Paraná

Thadeu Rodrigues de Melo

Fundação de Apoio ao Desenvolvimento do Ensino, Ciência e Tecnologia do Estado de Mato Grosso do Sul

Fábio Luiz Melquíades

Universidade Estadual de Londrina

Arnaldo Colozzi Filho

Instituto Agronômico do Paraná

Felipe Rodrigues dos Santos

Universidade Estadual de Londrina

Jonez Fidalski

Instituto Agronômico do Paraná

Jully Gabriela Retzlaf de Oliveira

Universidade Estadual do Norte do Paraná

Ana Julia Righetto

Instituto Agronômico do Paraná

Cooperative Institutions

Universidade Estadual de Londrina

Instituto Agronômico do Paraná

Brazilian Agricultural Research Corporation

Universidade de São Paulo

Universidade Estadual de Maringá

Universidade Estadual Paulista (Unesp)

ORCID

Universidade Estadual do Paraná

Universidade Estadual do Oeste do Paraná

Universidade Estadual do Centro-Oeste

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Response of Arbuscular Mycorrhizal Fungi in Different Soil Tillage Systems to Long‐Term Swine Slurry Application

Land Degradation and Development (2014)

Elcio Libório Balota Oswaldo Machineski Carolina Honda Inês Fumiko Ubukata Yada Graziela Moraes de Césare Barbosa

Abstract Swine slurry is a common agricultural fertilizer in many countries. However, its long‐term use in large amounts can cause excess nutrient accumulation, alter soil compounds, and potentially influence critical microbial populations such as arbuscular mycorrhizal fungi, which have important roles in plant nutrition and soil sustainability. This work determined if arbuscular mycorrhizal status, external mycelium, and glomalin‐related soil protein content were affected by long‐term swine slurry application to different soil tillage systems. The experiment was conducted on a clayey oxisol, in southern Brazil. Swine slurry (0, 30, 60, 90, and 120 m 3 ha −1 y −1 ) was applied for 15 years to conventional tillage and no tillage soil prior to the summer (soybean or maize) and winter (wheat or oats) crop seasons. Swine slurry decreased mycorrhizal root colonization, spore number, and total external mycelium. Swine slurry increased active external mycelium and both easily extractable and total glomalin‐related soil protein. No‐tillage soil had more glomalin‐related soil protein than conventional tillage soil. The most significant response variables were root colonization, easily extractable glomalin‐related soil protein, and total external arbuscular mycorrhizal mycelia. Long‐term application of swine slurry in this environment, even at high rates, did not adversely affect crop yield but did influence arbuscular mycorrhizae fungi and their products in the soil environment. Benefits of swine slurry application for crop nutrition must be weighed against potential adverse consequences for the size, activity, and benefits of the mycorrhizal community to subsequent annual crops. Copyright © 2014 John Wiley & Sons, Ltd.

Glomalin

Oxisol

Conventional tillage

Arbuscular mycorrhizal fungi

10.1002/ldr.2304

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Citations (24)

Soil attributes and microbial diversity on 28 years of continuous and interrupted for 12 months of pig slurry application

Chilean journal of agricultural research (2021)

Deisi Navroski Arnaldo Colozzi Filho Graziela Moraes de Césare Barbosa Adônis Moreira

The pig slurry (PS) application as an organic fertilizer in Brazilian soils occurs for many years and the effects of this application are known, but in this study our objective was to evaluate the microbiological attributes and microbial diversity of the soil after the interruption of the PS application. The PS rates were 0, 30 and 60 m3 ha-1 yr-1 and in 2016 the plots were divided and the PS application was stopped in half of the plot, generating the factorial scheme 2 × 2, being two PS rates (30 and 60 m3 ha-1 yr-1) and two application conditions (continuous or interrupted). Two soil samples were taken at 5 and 12 mo after interruption. The PS interruption reduced the microbial biomass C (MBC) by 5% and 14% after 5 and 12 mo, respectively. Microbial biomass N (MBN) was reduced too by 32% and 29% due to the PS interruption. The soil basal respiration (SBR) decreased when PS application was interrupted. The metabolic quotient (qCO2) did not change with the PS interruption but was high in the 60 m3 ha-1 yr-1. The bacteria and archaea genetic profiles showed similarity above 69% between continuous and interrupted applications. The bacterial diversity and richness index were higher than those found for fungal and archaeal communities. In contrast, the interruption had a strong effect on the soil fungi, which had diversity reduced due to the increase of the species dominance. The PS interruption up to 12 mo has an effect on the biomass, diversity, and activity of the microorganisms.

Dominance (genetics)

10.4067/s0718-58392021000100027

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Citations (4)

Grazing heights, stocking rate, soil structure, and water infiltration in a crop-livestock integration

Semina Ciências Agrárias (2020)

Jonez Fidalski Ivan Bordin Sérgio José Alves Graziela Moraes de Césare Barbosa

Grazing intensity on palisade grass as a function of grazing height in a crop-livestock integration (CLI) system alters the structural soil quality and water infiltration. This study aimed to verify the magnitude of the stocking rate and shoot and root dry matter of palisade grass at the end of the fifth cattle grazing period of an experiment in the CLI system on the visual evaluation of soil structure (VESS), soil-water infiltration rate, and basic infiltration rate (BIR) as a function of grazing heights on Urochloa brizantha cv. MG 5 Vitória in the northwestern Paraná State, Brazil. The experimental design consisted of randomized blocks with three replications and 1-ha experimental plots on an Oxisol. Four treatments with grazing heights of 10, 20, 30, and 40 cm were used in the CLI system, controlled with variable stocking rates of Purunã cattle in the autumn/winter season on Urochloa brizantha cv. MG 5 Vitória in succession to soybean in the summer. The maximum soil water infiltration was stabilized at 30 cm of grazing height of the palisade grass under continuous grazing in the CLI system. The increase in the stocking rate decreased the shoot dry matter of palisade grass, soil water infiltration, and structural soil quality.

Infiltration (HVAC)

10.5433/1679-0359.2021v42n1p123

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Citations (2)

Soil governance as a requirement for agricultural land conservation: a historical overview

Figshare (2023)

Tiago Santos Telles Graziela Moraes de Césare Barbosa Gustavo Henrique Merten Tiago Pellini Elizeu Jonas Didoné

ABSTRACT This study is a historical overview of land governance initiatives implemented in Parana state, Brazil, since the 1970s, ranging from the work carried out by research institutes to government-sponsored programs. These initiatives encouraged the development of technologies and farmers’ widespread adoption of conservation practices. Furthermore, they highlight the factors that brought soil and water conservation to the forefront in discussions on agriculture. This bibliographic review was based on information in research papers and programs developed in Parana. We show that extensive work on management planning and natural resource conservation was undertaken in Parana to strengthen soil governance. The initiatives implemented in watersheds and the development of the no-tillage system represent considerable achievements. However, it was not always that straightforward. As time progressed, the false perception – mainly among farmers – that the erosion problem had been solved led many farmers to neglect soil conservation practices, and in some cases, to abandon agricultural terracing, contour farming, and crop rotation. This resulted in a resurgence of problems related to environmental degradation, aggravating erosion and causing losses of soil and water, with the concomitant environmental damage. In this regard, we describe the means deployed in a new strategy to stimulate a resurgence of effective soil governance based on public policies and public-private partnerships to promote soil and water conservation.

Agricultural land

10.6084/m9.figshare.22268691

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Citations (0)

Soil conservation practices in a watershed in Southern Brazil

Anais da Academia Brasileira de Ciências (2019)

Tiago Santos Telles Marco A. P. Lourenço José Francirlei de Oliveira Gustavo Vaz da Costa Graziela Moraes de Césare Barbosa

The aim of this study was to determine how often rural farmers in a watershed use no-tillage systems combined with crop rotation, contour farming and agricultural terraces. The study area was Paraná Watershed III (PB3) in the western region of Paraná State, and data from the 2006 Agricultural Census of the Brazilian Institute of Geography and Statistics were used. A frequency distribution analysis of farms as a function of the no-tillage (NT) area was conducted in combination with a cluster analysis of soil and water conservation practices (adoption of crop rotation, contour farming and agricultural terrace practices). The results showed that the farms in PB3 adopt adequate soil and water conservation practices, with 73% adopting NT combined with at least 2 other conservation practices; however, agricultural terracing was found to be the most neglected practice in the region. In addition, based on the soil and water conservation practices in the watershed, 5 groups of farms were identified, the worst of which, those located in the municipalities that mainly neglect conservation practices, live in areas with highly erodible soils.

Crop Rotation

Conservation Agriculture

Terrace (agriculture)

Watershed Management

10.1590/0001-3765201920180578

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Citations (15)

Qualidade física do solo sob sistemas de preparo e cobertura morta em pomar de laranja

Pesquisa Agropecuária Brasileira (2009)

Jonez Fidalski Graziela Moraes de Césare Barbosa Pedro Antonio Martins Auler Marcos Antonio Pavan José Marcos Garrido Beraldo

O objetivo deste trabalho foi avaliar o efeito de preparo do solo e de cobertura morta sobre a qualidade física de um Latossolo, em um pomar de laranja 'Pêra'. O experimento foi instalado em Paranavaí, PR, em área com Brachiaria brizantha. O delineamento foi o de blocos ao acaso, em parcelas subsubdivididas, com 12 tratamentos e 4 repetições. Nas parcelas foram estudados os sistemas plantio direto, preparo em faixas e preparo convencional; nas subparcelas, os manejos com e sem cobertura morta, na linha das plantas de laranjeira 'Pêra'; e nas subsubparcelas, os porta-enxertos Citrus limonia Osb. e Citrus reshni Hort. ex Tan. Foram coletadas amostras de solo nas linhas das plantas, sob o rodado e no entrerrodado do trator, para quantificação de densidade, macroporosidade e microporosidade. O plantio direto de laranja em pastagem manteve a qualidade física do solo nas linhas das plantas, no entrerrodado e sob o rodado. O preparo convencional comprometeu a qualidade física do solo sob o rodado. A qualidade física do solo foi favorecida pelo menor revolvimento do solo, resultante do plantio direto ou do preparo em faixas, e pelo manejo da cobertura morta nas linhas das plantas, após o plantio das laranjeiras.

Brachiaria

10.1590/s0100-204x2009000100011

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Citations (9)

Changes in carbon and phosphorus storages and humic substances in a Ferralsol, after tillage and animal manures applications

Soil and Tillage Research (2022)

José Francirlei de Oliveira Jean Carlo Santos de Oliveira Danilo Bernardino Ruiz Graziela Moraes de Césare Barbosa João Tavares Filho

Liquid manure

Humin

10.1016/j.still.2022.105358

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Citations (5)

No-tillage system participatory quality index

Revista Brasileira de Engenharia Agrícola e Ambiental (2019)

Tiago Santos Telles Ana Julia Righetto Marco A. P. Lourenço Graziela Moraes de Césare Barbosa

ABSTRACT The no-tillage system participatory quality index aims to evaluate the quality and efficiency of soil management under no-tillage systems and consists of a weighted sum of eight indicators: intensity of crop rotation, diversity of crop rotation, persistence of crop residues in the soil surface, frequency of soil tillage, use of agricultural terraces, evaluation of soil conservation, balance of soil fertilization and time of adoption of the no-tillage system. The aim of this study was to assess the extent to which these indicators correlate with the no-tillage system participatory quality index and to characterize the farmers who participated in the research. The data used were provided by ITAIPU Binacional for the indicators of the no-tillage system participatory quality index II. Descriptive analyses were performed, and the Pearson correlation coefficient between the index and each indicator was calculated. To assess the relationship between the indicators and the farmers’ behavior toward the indicators, principal component analysis and cluster analysis were performed. Although all correlations are significant at p-value ≤ 0.05, some correlations are weak, indicating a need for improvement of the index. The principal component analysis identified three principal components, which explained 66% of the variability of the data, and the cluster analysis separated the 121 farmers into five groups. It was verified that the no-tillage system participatory quality index II has some limitations and should therefore be reevaluated to increase its efficiency as an indicator of the quality of the no-tillage system.

Soil Quality

Crop Rotation

Conventional tillage

10.1590/1807-1929/agriambi.v24n2p128-133

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Citations (12)

Soil microbial properties after long-term swine slurry application to conventional and no-tillage systems in Brazil

The Science of The Total Environment (2014)

Elcio Libório Balota Oswaldo Machineski Karima I A Hamid Inês Fumiko Ubukata Yada Graziela Moraes de Césare Barbosa

Oxisol

Amendment

Soil Quality